Added missing code changes to render 2 cubes

[fonzane]

In order to render two cubes in the scene it is necessary to add some lines of code to cube.component.html and cube.component.ts that were missing.

[nx-cloud[bot]]

Nx Cloud Report

CI is running for commit 963dbcc8e719d68b1763e3d9fc9932c685ab9b55.

📂 Click to track the progress, see the status, the terminal output, and the build insights.

---

Sent with 💌 from NxCloud.

[nartc]

Thank you for your contribution